China National Standards

China 1:Geometric GB Standards List


  •  China "1:Geometric" GB Standards List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 17421.1-1998 Test code for machine tools--Part 1:Geometric accuracy of machines operating under no-loador finishing conditions
    机床检验通则 第1部分:在无负荷或精加工条件下机床的几何精度
    China National Standards
    1:Geometric

    English PDF
    GB/T 4019.1-1997 Box type vertical drilling machines--Testing of the accuracy--Part 1:Geometrical tests
    方柱立式钻床 精度检验 第1部分:几何精度检验
    China National Standards
    1:Geometric

    English PDF

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